I have an 84 buick regal sitting at my house with a blown 3.8 in it and I'm considering building a 383 for it. I just need to know what makes these cars emission certified. I live in maryland and I know they have to have a good emission standerds on it because emissions here are hard to get through. I found a 30. over 350 block. I can get 2.02 heads for another 100 but I might just buy some aluminum ones. I was also wondering if a stock 700r4 will hold up to the power in this car? thanks for you're time and info.

with a mild 383 build and some high flow converter's you should be able to pass an emissions test, but, you will have to use emissions legal parts..and make sure the stickers are presented under the hood for the inspectors to see..

I believe it is illegal according to federal law to change the exhaust system from stock. You also have to contend with whatever your state law says about it as well. But then all most emissions testers will do is put the sniffer in the exhause and put you through the drill. If you pass the rquired percentages, they wave you through. I have noticed at our emission testing station that when they suspect that a car is modified, they will ask that the hood be raised and will do a visual inspection. In my state the car is only tested every two years and I can assure you that I have changed jets to pass emission and then changed them back to get performance.

If you decide to put the 383 in that Buick, get a neck brace for the first time you drive it.

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